I've been loosing weight and it seems to have all been lost in my breasts....I went from a full C in December to an A~it's pretty disappointing!

Are there any exercises I can do to maybe build up my pectoral muscles underneath my breasts? I've been avoiding chest exercises out of fear of completely dissolving what little tissue is left there...

Anyway - I took a great class a few years ago, and one of the exercises was pec fly on stability ball
A Google search of "pec fly stability ball" reveals how to do it. (not sure on the posting links rules, so leaving you to search)

I had a similiar problem...although I wasn't a C to begin with, just a full B. Now I'm a super small B, maybe a big A, but either way it's not great. My boyfriend loves the slimmer me, but is equally sad that my breasts virtually disappeared. Although, I can tell you that when I put on a few pounds, it shows in my breasts first! I think I just need to find a weight where I'm happy and mess with my body fat % to find a spot where I'm happy and my breasts still looks good!

Same problem - trying to focus on other bits looking leaner, which is slowly happening

Tweaking dressing helps, in terms of at least feeling attractive. I think some things quite suit a less-full chest, like low-cut, backless, or halter dresses/tops, or even the sort of loose, drapey tees that are in at the moment. Wrap dresses work.

One thing that helped me is lifting weights. It didn't do a thing for my cup size; I still have to take a deep breath to fill an A, but it broadened my shoulders just a bit, so I look more balanced, whereas before I was very pear-shaped.

__________________Cassie

And now that you don't have to be perfect, you can be good.
-John Steinbeck

You can absolutely build up your breasts with pectoral exercises, from what I've heard. A friend of mine got very worried because one of her breasts was suddenly a size bigger than the other. Then she realised it was because she had started working in a bar and was pulling pints with her right hand only. She made a point of pulling the pints with both hands and her breasts evened up again.

I'm in the other camp myself, I'd love to get down to a DD and maybe even a D cup!